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| 1 | +using System; |
| 2 | +using System.Net; |
| 3 | +using System.Net.Http; |
| 4 | +using System.Threading.Tasks; |
| 5 | +using Moq; |
| 6 | +using NUnit.Framework; |
| 7 | +using SpotifyAPI.Web.Http; |
| 8 | + |
| 9 | +namespace SpotifyAPI.Web.Tests |
| 10 | +{ |
| 11 | + [TestFixture] |
| 12 | + public class APIConnectorTest |
| 13 | + { |
| 14 | + [Test] |
| 15 | + public async Task RetryHandler_IsUsed() |
| 16 | + { |
| 17 | + var apiResponse = new Mock<IAPIResponse<string>>(); |
| 18 | + apiResponse.SetupGet(a => a.Body).Returns("Hello World"); |
| 19 | + |
| 20 | + var response = new Mock<IResponse>(); |
| 21 | + response.SetupGet(r => r.ContentType).Returns("application/json"); |
| 22 | + response.SetupGet(r => r.StatusCode).Returns(HttpStatusCode.OK); |
| 23 | + response.SetupGet(r => r.Body).Returns("\"Hello World\""); |
| 24 | + |
| 25 | + var authenticator = new Mock<IAuthenticator>(); |
| 26 | + var serializer = new Mock<IJSONSerializer>(); |
| 27 | + serializer.Setup(s => s.DeserializeResponse<string>(It.IsAny<IResponse>())).Returns(apiResponse.Object); |
| 28 | + |
| 29 | + var httpClient = new Mock<IHTTPClient>(); |
| 30 | + var retryHandler = new Mock<IRetryHandler>(); |
| 31 | + retryHandler.Setup(r => |
| 32 | + r.HandleRetry( |
| 33 | + It.IsAny<IRequest>(), |
| 34 | + It.IsAny<IResponse>(), |
| 35 | + It.IsAny<Func<IRequest, Task<IResponse>>>() |
| 36 | + ) |
| 37 | + ).Returns(Task.FromResult(response.Object)); |
| 38 | + |
| 39 | + var apiConnector = new APIConnector( |
| 40 | + new Uri("https://spotify.com"), |
| 41 | + authenticator.Object, |
| 42 | + serializer.Object, |
| 43 | + httpClient.Object, |
| 44 | + retryHandler.Object |
| 45 | + ); |
| 46 | + await apiConnector.SendAPIRequest<string>(new Uri("/me", UriKind.Relative), HttpMethod.Get); |
| 47 | + |
| 48 | + authenticator.Verify(a => a.Apply(It.IsAny<IRequest>()), Times.Once); |
| 49 | + httpClient.Verify(h => h.DoRequest(It.IsAny<IRequest>()), Times.Once); |
| 50 | + serializer.Verify(s => s.DeserializeResponse<string>(response.Object), Times.Once); |
| 51 | + } |
| 52 | + |
| 53 | + [Test] |
| 54 | + public async Task RetryHandler_CanRetry() |
| 55 | + { |
| 56 | + var apiResponse = new Mock<IAPIResponse<string>>(); |
| 57 | + apiResponse.SetupGet(a => a.Body).Returns("Hello World"); |
| 58 | + |
| 59 | + var response = new Mock<IResponse>(); |
| 60 | + response.SetupGet(r => r.ContentType).Returns("application/json"); |
| 61 | + response.SetupGet(r => r.StatusCode).Returns(HttpStatusCode.OK); |
| 62 | + response.SetupGet(r => r.Body).Returns("\"Hello World\""); |
| 63 | + |
| 64 | + var authenticator = new Mock<IAuthenticator>(); |
| 65 | + var serializer = new Mock<IJSONSerializer>(); |
| 66 | + serializer.Setup(s => s.DeserializeResponse<string>(It.IsAny<IResponse>())).Returns(apiResponse.Object); |
| 67 | + |
| 68 | + var httpClient = new Mock<IHTTPClient>(); |
| 69 | + httpClient.Setup(h => h.DoRequest(It.IsAny<IRequest>())).Returns(Task.FromResult(response.Object)); |
| 70 | + |
| 71 | + var retryHandler = new Mock<IRetryHandler>(); |
| 72 | + retryHandler.Setup(r => |
| 73 | + r.HandleRetry( |
| 74 | + It.IsAny<IRequest>(), |
| 75 | + It.IsAny<IResponse>(), |
| 76 | + It.IsAny<Func<IRequest, Task<IResponse>>>() |
| 77 | + ) |
| 78 | + ).Returns((IRequest request, IResponse response, Func<IRequest, Task<IResponse>> retry) => retry(request)); |
| 79 | + |
| 80 | + var apiConnector = new APIConnector( |
| 81 | + new Uri("https://spotify.com"), |
| 82 | + authenticator.Object, |
| 83 | + serializer.Object, |
| 84 | + httpClient.Object, |
| 85 | + retryHandler.Object |
| 86 | + ); |
| 87 | + await apiConnector.SendAPIRequest<string>(new Uri("/me", UriKind.Relative), HttpMethod.Get); |
| 88 | + |
| 89 | + serializer.Verify(s => s.SerializeRequest(It.IsAny<IRequest>()), Times.Once); |
| 90 | + authenticator.Verify(a => a.Apply(It.IsAny<IRequest>()), Times.Exactly(2)); |
| 91 | + httpClient.Verify(h => h.DoRequest(It.IsAny<IRequest>()), Times.Exactly(2)); |
| 92 | + serializer.Verify(s => s.DeserializeResponse<string>(response.Object), Times.Once); |
| 93 | + } |
| 94 | + } |
| 95 | +} |
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